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Finding the Fourth Proportional to 9.24, 13.95 and 9.10

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Solution

The fourth proportional to 9.24, 13.95 and 9.10 is: 13.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.24 : 13.95 = 9.10 : x
  2. Step 2: Convert to fraction form
    9.24/13.95 = 9.10/x
  3. Step 3: Cross multiply
    9.24x = 13.95 × 9.10
  4. Step 4: Simplify right side
    9.24x = 126.95
  5. Step 5: Solve for x
    x = 126.95/9.24
  6. Step 6: Final answer
    x = 13.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.